[Bukkit] TimerSample

ExpManager.java

package com.github.keepoff07.hiyaserver.blockparty.timer;

import org.bukkit.Bukkit;
import org.bukkit.Sound;
import org.bukkit.entity.Player;

public class ExpManager {

	private JavaPlugin main;
	public static void setMain(JavaPlugin plugin){
		main = plugin;
	}
	
	public static void setAllExp(int level, float xp, Sound sound){
		for(Player p : Bukkit.getOnlinePlayers()){
			p.setLevel(level);
			p.setExp(xp);
			if(sound != null) p.playSound(p.getLocation(), sound, 1F, 1F);
		}
	}
	public static void setTimer(int time){
		new ExpTask(time).runTaskLater(main, 20);
	}
}

ExpTask.java

package com.github.keepoff07.hiyaserver.blockparty.timer;

import org.bukkit.Sound;
import org.bukkit.scheduler.BukkitRunnable;

public class ExpTask extends BukkitRunnable {

	private int n;
	
	public ExpTask(int time){
		n = time;
	}
	@Override
	public void run() {
		if(n >= 10){
			ExpManager.setAllExp(n, 1F, null);
			n--;
			ExpManager.setTimer(n, d);
		}else if(n == 0){
			ExpManager.setAllExp(n, 0F, Sound.EXPLODE);
		}else{
			float a = ((float)n)/10F;
			ExpManager.setAllExp(n, a, Sound.CLICK);
			n--;
			ExpManager.setTimer(n, d);
		}
	}

}

Main.java

import org.bukkit.plugin.java.JavaPlugin;

public class Main extends JavaPlugin{

	public void onEnable(){
		ExpManager.setMain(this);
	}
	public void onDisable() {
	}
}